Re: gdb x86_64 ERESTARTNOHAND

[Rich Coe <Richard.Coe@med.ge.com>]

when running 32bit apps on a 64bit system, doesn't gdb use
i386-linux-tdep ?

On Tue, 14 Jun 2005 10:32:52 -0400
Daniel Jacobowitz <drow@false.org> wrote:
> On Tue, Jun 14, 2005 at 08:54:25AM -0500, Rich Coe wrote:
> > Run the program below in gdb on x86_64, compiled either -m32 or 64 bit,
> >     stop the execution with control-C
> >     call a function, in this case doNothing(), but sleep(1) works as well
> >     continue
> > gdb passes errno 514 to the program.  514=ERESTARTNOHAND
> > 
> > I see that strace prints out information about ERESTARTNOHAND, so it knows
> > about it.  I was wondering if gdb should know about this, is this an 
> > x86_64 kernel error, or what?
> > 
> > Even though strace knows about ERESTARTNOHAND on i386, and prints it,
> > gdb does not print or cause the program to receive this errno on a 32bit kernel.
> 
> amd64-linux-tdep.c requires a write_pc method, just like the one in
> i386-linux-tdep.c.  Nice catch.
> 
> -- 
> Daniel Jacobowitz
> CodeSourcery, LLC
> 


-- 
Rich Coe		richard.coe@med.ge.com
General Electric Healthcare Technologies
Global Software Platforms, Computer Technology Team